* Add $pkg/lib64 (if it exists) to the library search path in addition

to $pkg/lib.

svn path=/nixpkgs/trunk/; revision=6820

pkgs/build-support/gcc-wrapper/builder.sh

@@ -22,6 +22,9 @@ if test -n "$nativeTools"; then
     gccPath="$nativePrefix/bin"
     ldPath="$nativePrefix/bin"
 else
+    if test -e "$gcc/lib64"; then
+        ldflags="$ldflags -L$gcc/lib64"
+    fi
     ldflags="$ldflags -L$gcc/lib"
     gccPath="$gcc/bin"
     ldPath="$binutils/bin"

pkgs/build-support/gcc-wrapper/setup-hook.sh

@@ -3,6 +3,10 @@ addCVars () {
         export NIX_CFLAGS_COMPILE="$NIX_CFLAGS_COMPILE -I$1/include"
     fi
 
+    if test -d $1/lib64; then
+        export NIX_LDFLAGS="$NIX_LDFLAGS -L$1/lib64"
+    fi
+
     if test -d $1/lib; then
         export NIX_LDFLAGS="$NIX_LDFLAGS -L$1/lib"
     fi